Flat flow regulator



FIG. 1 is a bottom front left perspective view of the flow regulator according to my design;

FIG. 2 is a top front right perspective view thereof;

FIG. 3 is a front elevational view thereof, with the rear elevational view being a mirror image thereof;

FIG. 4 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a flat flow regulator, as shown and described. 